It lives again!!! (vid inside) - The 1947 - Present Chevrolet & GMC Truck Message Board Network

swb85 · 07-28-2006, 11:08 AM

Finally got the new cam/lifters/springs in the truck this past weekend and spent the evenings this week fine tuning the spark curve and carb. Hopefully I don't have another lobe/lifter failure for a loooooong time......in-truck cam swaps suck, especially when you're doing it in the driveway in 100 degree weather.

Break in went very well and the truck is running great! I will say that even though I expected some valvetrain noise from comp's xtreme line, it seriously sounds like a solid lifter motor now. Nothing I can't get used to though. Here's a quick clip of how she sounds......between this thing and the camaro, my neighbors probably hate me.

http://media.putfile.com/New-Cam-Idle

84slopwaggin · 07-28-2006, 02:59 PM

OOh yeah thats sweet sweet music. I bet the ricers pee their pants when you pull up on them at the stop light/stop signs. How much compression are you running with that combo? Is it a edelbrock performer carb, and if so what size is it? Man thats nice, enjoy.

Nolowrider · 07-28-2006, 03:53 PM

Awesome. That sounds great. Congrats. Nothing sounds better to me than a camed up V-8. Is that the XM270? I know that marine cams are a liitle more agressive.

AesC10s · 07-28-2006, 04:37 PM

sounds great man....burnout time.....

swb85 · 07-28-2006, 04:46 PM

Thanks guys! Compression is around 9:1, carb is a 1405 edelbrock performer 600cfm.

Nolowrider: Yes, it's the xm270h. Specs are 226/236 .480/.489 112 lsa. I did a lot of talking on the phone with comp about cam specs and this one was perfect for my setup. The higher lsa keeps cylinder pressure up with my lower compression. It builds tons of down-low torque and pulls hard all the way past 6k rpm. It even idles a little smoother than I thought it would. The ramp rates are fairly aggressive and make more noise than any other hydraulic cam I've heard, but I'm growing to like the sound! It really sounds badass in person, the vid doesn't do it justice!

swb85 · 07-28-2006, 04:49 PM

Quote:

Originally Posted by AesC10s

sounds great man....burnout time.....

I wish.....I feel like such a 'tard with my one-wheel-wonder.

Need a posi very much bad!! I did manage about 7mpg on my first tank though.....having the secondaries open all the time uses a wee bit of gas!

Nolowrider · 07-28-2006, 05:32 PM

That canm really sounds great. It must sound bad azz in person because the vid sounds awesome. Congrats on your work. I went with the Comp XE line, happy so far. No noise. As far as the "one tire fryer" syndrome, take a good look at the "lock-rite" setup. I have it and it works great, at a fraction of the cost. Easy to install (1hr) and if I can do it, anyone can. Highly reccomended.

swb85 · 07-28-2006, 05:51 PM

Interesting.....what does one of those powertrax cost?

Nolowrider · 07-28-2006, 06:19 PM

Summit has them here

I got mine from a fellow board member. He gave me an excellent deal.

SanitysBane · 07-28-2006, 06:37 PM

What kind of exhaust do you have on your truck?

C&C Chevy · 07-28-2006, 10:22 PM

Sounds great!

Ditto on what Bane asked. What's your exhaust set-up?

84slopwaggin · 07-28-2006, 11:41 PM

What about Detroit True-Trac? Has anybody tried or seen one in action?
http://store.summitracing.com/partde...5&autoview=sku

82c10 · 07-28-2006, 11:54 PM

Quote:

Originally Posted by swb85

Finally got the new cam/lifters/springs in the truck this past weekend and spent the evenings this week fine tuning the spark curve and carb. Hopefully I don't have another lobe/lifter failure for a loooooong time......in-truck cam swaps suck, especially when you're doing it in the driveway in 100 degree weather.

Break in went very well and the truck is running great! I will say that even though I expected some valvetrain noise from comp's xtreme line, it seriously sounds like a solid lifter motor now. Nothing I can't get used to though. Here's a quick clip of how she sounds......between this thing and the camaro, my neighbors probably hate me.

http://media.putfile.com/New-Cam-Idle

what compression does your motor have?

swb85 · 07-29-2006, 11:07 AM

Thanks for the compliments! Exhaust systems is ceramic coated hooker longtubes, flowmaster 3"->2.5" smooth reducer cones, 2.5" dual exhaust (no crossover) and 40 series flowmasters. Compression is around 9:1.

Slammed66 · 07-31-2006, 08:33 PM

DAMN YOU , Im now pulling my truck off the road to install the comp xe274 I have sitting here and the roller rockers

hope fully itll sound like yours , Nice work man , cool cool truck

07-28-2006, 11:08 AM	#1
swb85 On a budget like Fred Sanford Join Date: Oct 2005 Location: Topeka, KS Posts: 2,031	It lives again!!! (vid inside) Finally got the new cam/lifters/springs in the truck this past weekend and spent the evenings this week fine tuning the spark curve and carb. Hopefully I don't have another lobe/lifter failure for a loooooong time......in-truck cam swaps suck, especially when you're doing it in the driveway in 100 degree weather. Break in went very well and the truck is running great! I will say that even though I expected some valvetrain noise from comp's xtreme line, it seriously sounds like a solid lifter motor now. Nothing I can't get used to though. Here's a quick clip of how she sounds......between this thing and the camaro, my neighbors probably hate me. http://media.putfile.com/New-Cam-Idle __________________ '85 Silverado swb: 383 stroker, 10.5:1, vortec heads, 232/238 roller cam, RPM air gap, performer 750 carb, stainless longtubes, 3" duals/super 44's, T56/4.11 383ci build / exterior refresh thread '98 Camaro z28: 370ci twin turbo 370ci build '01 Tahoe LT 4x4: 5.3, longtubes/ory, magnaflow duals, custom tune....wife's DD Last edited by swb85; 07-28-2006 at 11:11 AM.

07-28-2006, 02:59 PM	#2
84slopwaggin Registered User Join Date: Apr 2005 Location: Ar Posts: 558	Re: It lives again!!! (vid inside) OOh yeah thats sweet sweet music. I bet the ricers pee their pants when you pull up on them at the stop light/stop signs. How much compression are you running with that combo? Is it a edelbrock performer carb, and if so what size is it? Man thats nice, enjoy.

07-28-2006, 03:53 PM	#3
Nolowrider Senior Member Join Date: Jan 2005 Location: New Orleans Posts: 1,365	Re: It lives again!!! (vid inside) Awesome. That sounds great. Congrats. Nothing sounds better to me than a camed up V-8. Is that the XM270? I know that marine cams are a liitle more agressive.

07-28-2006, 04:37 PM	#4
AesC10s Chevy truck addict Join Date: Apr 2005 Location: Thornton Colorado Posts: 825	Re: It lives again!!! (vid inside) sounds great man....burnout time.....

07-28-2006, 04:46 PM	#5
swb85 On a budget like Fred Sanford Join Date: Oct 2005 Location: Topeka, KS Posts: 2,031	Re: It lives again!!! (vid inside) Thanks guys! Compression is around 9:1, carb is a 1405 edelbrock performer 600cfm. Nolowrider: Yes, it's the xm270h. Specs are 226/236 .480/.489 112 lsa. I did a lot of talking on the phone with comp about cam specs and this one was perfect for my setup. The higher lsa keeps cylinder pressure up with my lower compression. It builds tons of down-low torque and pulls hard all the way past 6k rpm. It even idles a little smoother than I thought it would. The ramp rates are fairly aggressive and make more noise than any other hydraulic cam I've heard, but I'm growing to like the sound! It really sounds badass in person, the vid doesn't do it justice! __________________ '85 Silverado swb: 383 stroker, 10.5:1, vortec heads, 232/238 roller cam, RPM air gap, performer 750 carb, stainless longtubes, 3" duals/super 44's, T56/4.11 383ci build / exterior refresh thread '98 Camaro z28: 370ci twin turbo 370ci build '01 Tahoe LT 4x4: 5.3, longtubes/ory, magnaflow duals, custom tune....wife's DD

07-28-2006, 05:32 PM	#7
Nolowrider Senior Member Join Date: Jan 2005 Location: New Orleans Posts: 1,365	Re: It lives again!!! (vid inside) That canm really sounds great. It must sound bad azz in person because the vid sounds awesome. Congrats on your work. I went with the Comp XE line, happy so far. No noise. As far as the "one tire fryer" syndrome, take a good look at the "lock-rite" setup. I have it and it works great, at a fraction of the cost. Easy to install (1hr) and if I can do it, anyone can. Highly reccomended. Last edited by Nolowrider; 07-28-2006 at 05:33 PM.

07-28-2006, 05:51 PM	#8
swb85 On a budget like Fred Sanford Join Date: Oct 2005 Location: Topeka, KS Posts: 2,031	Re: It lives again!!! (vid inside) Interesting.....what does one of those powertrax cost? __________________ '85 Silverado swb: 383 stroker, 10.5:1, vortec heads, 232/238 roller cam, RPM air gap, performer 750 carb, stainless longtubes, 3" duals/super 44's, T56/4.11 383ci build / exterior refresh thread '98 Camaro z28: 370ci twin turbo 370ci build '01 Tahoe LT 4x4: 5.3, longtubes/ory, magnaflow duals, custom tune....wife's DD

07-28-2006, 06:19 PM	#9
Nolowrider Senior Member Join Date: Jan 2005 Location: New Orleans Posts: 1,365	Re: It lives again!!! (vid inside) Summit has them here I got mine from a fellow board member. He gave me an excellent deal.

07-28-2006, 06:37 PM	#10
SanitysBane Registered User Join Date: May 2004 Location: Lubbock, Texas Posts: 2,121	Re: It lives again!!! (vid inside) What kind of exhaust do you have on your truck? __________________ '96 Nissan Pathfinder '02 Firebird Trans Am. '88 K5 Blazer

07-28-2006, 10:22 PM	#11
C&C Chevy Registered User Join Date: Feb 2003 Location: Midwest City, OK Posts: 1,001	Re: It lives again!!! (vid inside) Sounds great! Ditto on what Bane asked. What's your exhaust set-up? __________________ Robert Current: 1986 SWB Silverado 4.3 / TH400 Past: 1985 SWB Silverado 305 / TH350 - sold 1995 1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007

07-28-2006, 11:41 PM	#12
84slopwaggin Registered User Join Date: Apr 2005 Location: Ar Posts: 558	Re: It lives again!!! (vid inside) What about Detroit True-Trac? Has anybody tried or seen one in action? http://store.summitracing.com/partde...5&autoview=sku

07-29-2006, 11:07 AM	#14
swb85 On a budget like Fred Sanford Join Date: Oct 2005 Location: Topeka, KS Posts: 2,031	Re: It lives again!!! (vid inside) Thanks for the compliments! Exhaust systems is ceramic coated hooker longtubes, flowmaster 3"->2.5" smooth reducer cones, 2.5" dual exhaust (no crossover) and 40 series flowmasters. Compression is around 9:1. __________________ '85 Silverado swb: 383 stroker, 10.5:1, vortec heads, 232/238 roller cam, RPM air gap, performer 750 carb, stainless longtubes, 3" duals/super 44's, T56/4.11 383ci build / exterior refresh thread '98 Camaro z28: 370ci twin turbo 370ci build '01 Tahoe LT 4x4: 5.3, longtubes/ory, magnaflow duals, custom tune....wife's DD

07-31-2006, 08:33 PM	#15
Slammed66 Needs a Big Block Join Date: Oct 2003 Location: Red Deer , Alberta Posts: 1,198	Re: It lives again!!! (vid inside) DAMN YOU , Im now pulling my truck off the road to install the comp xe274 I have sitting here and the roller rockers hope fully itll sound like yours , Nice work man , cool cool truck __________________ 1964 Short box On dropmembers and billets 1962 Suburban family cruiser 1972 K10



Register or Log In To remove these advertisements.

Register or Log In To remove these advertisements.